C++ Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

STL (140)
OOPS (873)
C++ General (2409)

C++ Interview Questions

Questions Answers Views Company eMail

Explain data encapsulation?

1126

Can you please explain the difference between overloading and overriding?

1091

Explain polymorphism?

1074

Do you know what are pure virtual functions?

1143

Can you please explain the difference between using macro and inline functions?

1043

What is prototype for that c string function?

1131

Explain virtual destructor?

1190

Tell me can a pure virtual function have an implementation?

1024

How one would use switch in a program?

1072

Do you know the problem with overriding functions?

1105

What relational operators if statements in c++?

1174

Explain the isa and hasa class relationships.

1036

Explain differences between alloc() and free()?

1132

How can you quickly find the number of elements stored in a a) static array b) dynamic array ? Why is it difficult to store linked list in an array?how can you find the nodes with repetetive data in a linked list?

1285

Will this c++ program execute or not?

1089

Un-Answered Questions { C++ }

What is doubly linked list in c++?

1078

What size is allocated to the union variable?

1053

What is the use of endl in c++ give an example?

1162

State two differences between C and C++.

1161

What is virtual destructor? What is its use?

1073

What is the copy-and-swap idiom?

1103

hi, this is raju,iam studying b.tech 2nd year,iam want know about group1 and group2 details, and we can studying without going to any instutions? please help me.

1949

Differentiate between a pointer and a reference with respect to c++.

1242

Get me an image implementation program.

1978

What do you mean by enumerated data type?

1049

Can static class have constructor?

1029

Can class objects be passed as function arguments?

1063

What is the most powerful coding language?

1056

Why is c++ awesome?

1028

Is it possible to provide special behavior for one instance of a template but not for other instances?

1128

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